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1. (WO2017170615) POSITIVELY CHARGEABLE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE FORMING APPARATUS

Pub. No.:    WO/2017/170615    International Application No.:    PCT/JP2017/012767
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Wed Mar 29 01:59:59 CEST 2017
IPC: G03G 5/05
G03G 5/06
Applicants: MITSUBISHI CHEMICAL CORPORATION
三菱ケミカル株式会社
Inventors: YAMAZAKI Daisuke
山崎 大輔
Title: POSITIVELY CHARGEABLE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE FORMING APPARATUS
Abstract:
The present invention relates to a positively chargeable electrophotographic photoreceptor that has, on a conductive support, a single-layer type photosensitive layer which contains a binder resin, a compound (1) having a hole transport ability, and a compound (2) having an electron transport ability, wherein the highest HOMO energy level Ah of the compound (1), the lowest LUMO energy level Bl of the compound (2), and the HOMO energy level Ch of another compound C which has a molecular weight of 500 or lower and which is contained in the photosensitive layer, satisfy a specific expression.